dutch waddenzee near noordkaap in groningen

biological bird birds boschwad brackish channels coast coastal dry dutch ebb ebbtide europe european fauna fish fishery fishing flat forage foraging groningen gull gulls habitats holland horizon interactions intertidal island landscape low marsh marshes mud mudflats natural nature netherlands outdoor outdoors outside panorama physical pole poles reserve rottumeroog rottumerplaat salt sand sandbanks sandbars sandy sea shoals shore tidal tide undisturbed wadden waddenzee water wet wetland